Lead Security Engineer — Enterprise Systems & Infrastructure

SNI Companies; New York (NY); On-site; USD 120,000 - 190,000; Full time

Job summary

SNI Companies seeks a Senior Security Engineer to lead protection of enterprise applications, infrastructure, and data assets. You will define security standards, guide risk decisions, and partner across IT and business teams to embed security across processes.

The role requires independent judgment, strong problem-solving, and the ability to communicate complex concepts to non-technical stakeholders. Prior experience in enterprise security is essential.

Qualifications

• 7+ years of information security experience.
• Strong understanding of risk management methodologies.
• Knowledge of enterprise system architectures and security controls.
• Familiarity with cloud/hybrid environments and security engineering concepts.

Responsibilities

• Define and maintain security standards across enterprise systems, applications, and infrastructure.
• Design and evolve security architecture for consistency and scalability.
• Integrate security into development and procurement processes for secure delivery.
• Conduct formal security reviews to ensure compliance before production releases.
• Maintain inventories of technology assets including apps, infrastructure, and endpoints.
• Implement, monitor, and refine security controls across the lifecycle.
• Oversee change control and configuration management for system integrity.
• Collaborate with IT, engineering, and business teams to address risks.
• Mentor junior team members on security best practices.

Skills

Information security expertise

Risk management

Network fundamentals

CI/CD security practices

Tools

CI/CD tooling

Automation tooling

Scripting

Job description

SNI Companies seeks a Senior Security Engineer to lead protection of enterprise applications, infrastructure, and data assets. You will define security standards, guide risk decisions, and partner across IT and business teams to embed security across processes.

The role requires independent judgment, strong problem-solving, and the ability to communicate complex concepts to non-technical stakeholders. Prior experience in enterprise security is essential.